Home / 38,188,151.50-52,699,646.15-20,784,621.51

Finding the Fourth Proportional to 38,188,151.50, 52,699,646.15 and 20,784,621.51

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Solution

The fourth proportional to 38,188,151.50, 52,699,646.15 and 20,784,621.51 is: 28,682,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,151.50 : 52,699,646.15 = 20,784,621.51 : x
  2. Step 2: Convert to fraction form
    38,188,151.50/52,699,646.15 = 20,784,621.51/x
  3. Step 3: Cross multiply
    38,188,151.50x = 52,699,646.15 × 20,784,621.51
  4. Step 4: Simplify right side
    38,188,151.50x = 1,095,342,198,571,257.38
  5. Step 5: Solve for x
    x = 1,095,342,198,571,257.38/38,188,151.50
  6. Step 6: Final answer
    x = 28,682,776.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.